RCTs, cohorts, case-control — which study design answers which question. A rapid, high-yield review of research study design for medical students and exam candidates.

In this episode: • RCT — gold standard for interventions • Cohort — exposed vs unexposed over time • Case-control — disease → look back at exposure • Cross-sectional — snapshot at one time • Meta-analysis — pools studies for power • Double-blinding — neither side knows group • IRB — approves + monitors research ethics

Exam pearl: RCT = gold standard (interventional)

⏱ 2:58 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield epidemiology & ethics for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.

Positive vs negative symptoms, the six-month rule, and antipsychotic emergencies. A rapid, high-yield review of schizophrenia for medical students and exam candidates.

In this episode: • Positive sx: delusions, hallucinations, disorganized speech • Negative sx: flat affect, avolition, withdrawal, poverty of speech • 6 months duration required for dx • Auditory hallucinations — most common type • Tardive dyskinesia — facial movements, antipsychotic complication • NMS: fever, rigidity, ↑ CPK — antipsychotic emergency

Exam pearl: 6 months sx; ≥2 criteria × ≥1 month

⏱ 3:15 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield psychiatric for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.

The normal maternal changes that every obstetrics question is built on. A rapid, high-yield review of normal pregnancy physiology for medical students and exam candidates.

In this episode: • Naegele's rule = LMP + 7d − 3mo + 1yr • Gestational age: from LMP, 2wk > embryonic • hCG: syncytiotrophoblast → maintains corpus luteum • Chronic respiratory alkalosis (progesterone) • Hypercoagulable state = normal • Pseudocyesis = false pregnancy

Exam pearl: Gestational age = LMP, 2wk > embryonic

⏱ 3:05 · Quick Medical Review — study smart, not hard. More episodes: https://www.youtube.com/@quickmedicalreview

Covers high-yield obstetrics for USMLE Step 2 CK, MRCP, PLAB and SMLE. Educational revision only — not medical advice.